How to Build a Deck on Your Home (Explained in 7 Steps)

This step-by-step guide will walk you through exactly how to build a deck, making the process manageable and enjoyable. A well-crafted deck can completely transform your outdoor space—turning it into a cozy nook for morning coffee, a prime spot for summer barbecues, or an elegant place to unwind in the evenings. While many homeowners turn to professional builders to create their dream deck, building one yourself can be a rewarding and cost-effective project.

If you’re new to deck-building but ready to take on this DIY challenge, you’re in the right place. Here’s what you’ll learn:

• How to Plan and Design Your Deck: Get the size, shape, and materials just right.
• How to Build a Deck Frame: The foundation is crucial for a durable and stable structure.
• Installing Deck Boards and Finishing Touches: Tips for a sleek, professional finish.

By the end of this guide, you’ll have all the knowledge you need to design and construct your very own deck. Grab your tools—it’s time to get started!

📋 Step 1: Plan and Design Your Deck

Before picking up a single tool, proper planning is a must. This phase ensures that your deck meets your needs, fits your yard, and adheres to local building codes.

Determine Your Deck’s Purpose

First, decide how you’ll use your deck. Are you planning a ground-level deck for entertaining, or a smaller space for private relaxation? A key consideration is size—large decks work well for social gatherings, while smaller ones are ideal for personal use.

Select the Right Decking Materials

Choosing the right materials sets the tone for your deck’s style, durability, and maintenance. Popular options include:

• Pressure-Treated Wood: Affordable and classic but requires regular staining and sealing.
• Composite Decking: Long-lasting and low-maintenance, though on the pricier side.
• Cedar or Redwood: Beautiful, natural aesthetics with moderate upkeep.

Think about your climate, budget, and desired look when making your choice.

Check Local Building Codes and Permits

Before digging in, make sure your deck build complies with local laws. Some areas require permits for floating decks or structures exceeding a certain height. A quick call to your local building office can save you from fines or setbacks.

🪨 Step 2: Lay the Foundation

Choose Your Foundation Type

There are two common foundation types for decks:

1. Concrete Footings: Ideal for elevated or attached decks. They provide a sturdy, permanent solution for securing your deck.
2. Floating Deck Blocks: Perfect for a ground-level deck; these blocks are easier to install and don’t require digging deep holes.

Mark and Level Your Site

Once your foundation type is selected:

1. Use stakes and string to mark your deck perimeter.
2. Ensure the ground is level; use a shovel or rake to clear and even out the area as needed.

Install Your Foundation

Whether you’re pouring concrete or placing deck blocks, ensure they are spaced evenly based on your design. These will support your frame and bear the deck’s overall weight.

🔨 Step 3: Build the Deck Frame

The deck frame forms the skeleton of your structure. Spending time ensuring it’s sturdy and well-aligned will save you headaches down the road.

Install Ledger Boards (Optional for Attached Decks)

For decks attached to your home, secure a ledger board to your house’s exterior wall. Use lag screws to ensure it’s firmly in place. The ledger will support one side of your deck frame.

Create Your Outer Frame

• Begin assembling the outer frame using pressure-treated wood or your chosen material.
• Use galvanized screws to connect your joists to the beams. These structural pieces should run parallel and be spaced about 16 inches apart to ensure stability.

Secure the Frame to the Foundation

Attach your frame to the concrete footings or deck blocks using metal brackets. These brackets help anchor the frame, preventing movement over time.

👉 Step 4: Add Support Beams and Joists

Beams and joists reinforce your frame, ensuring your deck won’t sag or shift underfoot.

Install Beams

• Place support beams across the width of your deck, connecting them to the frame.
• Use a level to ensure the beams are even.

Attach Joists

• Attach the joists perpendicularly between your beams, maintaining consistent spacing of 12-16 inches.
• Consider adding joist hangers for extra reinforcement, especially for larger decks.

✅ Step 5: Lay the Decking Boards

Now it’s time to install the visible part of your deck—the boards. Proper alignment will make all the difference in achieving a professional finish.

Prepare Your Deck Boards

• If using natural wood, lightly sand the boards to avoid splinters.
• Apply a weatherproof sealant or stain before installation to ensure long-term durability.

Install the Boards

1. Start at one edge of the frame, laying your first board down.
2. Drive two galvanized screws into each joist for a stable attachment.
3. Maintain consistent gaps (roughly ⅛ inch) between boards, allowing room for expansion and drainage.

Trim the Edges

Once all boards are installed, use a circular saw to trim any overhang evenly along the edges.

👍 Step 6: Add Railings and Stairs (If Needed)

Depending on the height and design of your deck, you may want to add railings and stairs for safety and functionality.

Install Railings

• Attach railing posts to the deck frame.
• Use balusters and a top rail to complete the structure, ensuring everything aligns evenly.

Build the Stairs

• Attach stringers (angled supports) to the deck frame.
• Secure treads (horizontal boards) and risers (vertical boards) to complete the staircase.

🏁 Step 7: Finish and Maintain Your Deck

Your deck is almost complete! Now it’s time for the final touches and long-term maintenance.

Sand and Seal

Give your deck a final sanding, paying attention to any rough corners or edges. Apply a protective sealant or wood stain to ensure your deck withstands the elements.

Add Furniture and Décor

Decorate your deck with weatherproof furniture, string lights, or planters. This is your chance to personalize your space and make it your own.

Regular Maintenance

To keep your deck in great condition,:

• Sweep debris regularly.
• Reapply sealant or stain every 1-2 years.
• Inspect for loose screws or weakened boards.

Why Built Right is the Team You Can Trust

Feeling inspired but unsure if DIY deck-building is the right fit for you? That’s where we come in. At Built Right, we’re dedicated to creating custom, high-quality decks that are built to last.

Here’s why homeowners trust us:

• Expert Craftsmanship: From frame to finish, we use only top-tier materials and techniques.
• Attention to Detail: We believe every deck should be as unique and beautiful as the home it complements.
• Tailored to You: Whether you want a simple ground-level deck or an intricate multi-tier structure, we’ll bring your vision to life.

Don’t settle for less when it comes to your outdoor spaces. Contact Built Right today so we can start building your dream deck!